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-rw-r--r--fs/autofs4/autofs_i.h31
-rw-r--r--fs/autofs4/dev-ioctl.c11
-rw-r--r--fs/autofs4/expire.c2
-rw-r--r--fs/autofs4/inode.c63
-rw-r--r--fs/autofs4/root.c218
5 files changed, 162 insertions, 163 deletions
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index 8f7cdde4173..3d283abf67d 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -75,6 +75,8 @@ struct autofs_info {
struct completion expire_complete;
struct list_head active;
+ int active_count;
+
struct list_head expiring;
struct autofs_sb_info *sbi;
@@ -95,6 +97,7 @@ struct autofs_info {
#define AUTOFS_INF_EXPIRING (1<<0) /* dentry is in the process of expiring */
#define AUTOFS_INF_MOUNTPOINT (1<<1) /* mountpoint status for direct expire */
+#define AUTOFS_INF_PENDING (1<<2) /* dentry pending mount */
struct autofs_wait_queue {
wait_queue_head_t queue;
@@ -161,7 +164,7 @@ static inline int autofs4_ispending(struct dentry *dentry)
{
struct autofs_info *inf = autofs4_dentry_ino(dentry);
- if (dentry->d_flags & DCACHE_AUTOFS_PENDING)
+ if (inf->flags & AUTOFS_INF_PENDING)
return 1;
if (inf->flags & AUTOFS_INF_EXPIRING)
@@ -264,5 +267,31 @@ out:
return ret;
}
+static inline void autofs4_add_expiring(struct dentry *dentry)
+{
+ struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
+ struct autofs_info *ino = autofs4_dentry_ino(dentry);
+ if (ino) {
+ spin_lock(&sbi->lookup_lock);
+ if (list_empty(&ino->expiring))
+ list_add(&ino->expiring, &sbi->expiring_list);
+ spin_unlock(&sbi->lookup_lock);
+ }
+ return;
+}
+
+static inline void autofs4_del_expiring(struct dentry *dentry)
+{
+ struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
+ struct autofs_info *ino = autofs4_dentry_ino(dentry);
+ if (ino) {
+ spin_lock(&sbi->lookup_lock);
+ if (!list_empty(&ino->expiring))
+ list_del_init(&ino->expiring);
+ spin_unlock(&sbi->lookup_lock);
+ }
+ return;
+}
+
void autofs4_dentry_release(struct dentry *);
extern void autofs4_kill_sb(struct super_block *);
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 00bf8fcb245..c8a80dffb45 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -544,10 +544,9 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp,
goto out;
devid = new_encode_dev(path.mnt->mnt_sb->s_dev);
err = 0;
- if (path.dentry->d_inode &&
- path.mnt->mnt_root == path.dentry) {
+ if (path.mnt->mnt_root == path.dentry) {
err = 1;
- magic = path.dentry->d_inode->i_sb->s_magic;
+ magic = path.mnt->mnt_sb->s_magic;
}
} else {
dev_t dev = sbi->sb->s_dev;
@@ -560,10 +559,8 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp,
err = have_submounts(path.dentry);
- if (path.mnt->mnt_mountpoint != path.mnt->mnt_root) {
- if (follow_down(&path))
- magic = path.mnt->mnt_sb->s_magic;
- }
+ if (follow_down(&path))
+ magic = path.mnt->mnt_sb->s_magic;
}
param->ismountpoint.out.devid = devid;
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index 3da18d45348..a796c9417fb 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -27,7 +27,7 @@ static inline int autofs4_can_expire(struct dentry *dentry,
return 0;
/* No point expiring a pending mount */
- if (dentry->d_flags & DCACHE_AUTOFS_PENDING)
+ if (ino->flags & AUTOFS_INF_PENDING)
return 0;
if (!do_now) {
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 69c8142da83..821b2b955da 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -49,6 +49,7 @@ struct autofs_info *autofs4_init_ino(struct autofs_info *ino,
ino->dentry = NULL;
ino->size = 0;
INIT_LIST_HEAD(&ino->active);
+ ino->active_count = 0;
INIT_LIST_HEAD(&ino->expiring);
atomic_set(&ino->count, 0);
}
@@ -95,63 +96,6 @@ void autofs4_free_ino(struct autofs_info *ino)
kfree(ino);
}
-/*
- * Deal with the infamous "Busy inodes after umount ..." message.
- *
- * Clean up the dentry tree. This happens with autofs if the user
- * space program goes away due to a SIGKILL, SIGSEGV etc.
- */
-static void autofs4_force_release(struct autofs_sb_info *sbi)
-{
- struct dentry *this_parent = sbi->sb->s_root;
- struct list_head *next;
-
- if (!sbi->sb->s_root)
- return;
-
- spin_lock(&dcache_lock);
-repeat:
- next = this_parent->d_subdirs.next;
-resume:
- while (next != &this_parent->d_subdirs) {
- struct dentry *dentry = list_entry(next, struct dentry, d_u.d_child);
-
- /* Negative dentry - don`t care */
- if (!simple_positive(dentry)) {
- next = next->next;
- continue;
- }
-
- if (!list_empty(&dentry->d_subdirs)) {
- this_parent = dentry;
- goto repeat;
- }
-
- next = next->next;
- spin_unlock(&dcache_lock);
-
- DPRINTK("dentry %p %.*s",
- dentry, (int)dentry->d_name.len, dentry->d_name.name);
-
- dput(dentry);
- spin_lock(&dcache_lock);
- }
-
- if (this_parent != sbi->sb->s_root) {
- struct dentry *dentry = this_parent;
-
- next = this_parent->d_u.d_child.next;
- this_parent = this_parent->d_parent;
- spin_unlock(&dcache_lock);
- DPRINTK("parent dentry %p %.*s",
- dentry, (int)dentry->d_name.len, dentry->d_name.name);
- dput(dentry);
- spin_lock(&dcache_lock);
- goto resume;
- }
- spin_unlock(&dcache_lock);
-}
-
void autofs4_kill_sb(struct super_block *sb)
{
struct autofs_sb_info *sbi = autofs4_sbi(sb);
@@ -168,15 +112,12 @@ void autofs4_kill_sb(struct super_block *sb)
/* Free wait queues, close pipe */
autofs4_catatonic_mode(sbi);
- /* Clean up and release dangling references */
- autofs4_force_release(sbi);
-
sb->s_fs_info = NULL;
kfree(sbi);
out_kill_sb:
DPRINTK("shutting down");
- kill_anon_super(sb);
+ kill_litter_super(sb);
}
static int autofs4_show_options(struct seq_file *m, struct vfsmount *mnt)
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index b96a3c57359..a015b49891d 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -72,6 +72,46 @@ const struct inode_operations autofs4_dir_inode_operations = {
.rmdir = autofs4_dir_rmdir,
};
+static void autofs4_add_active(struct dentry *dentry)
+{
+ struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
+ struct autofs_info *ino = autofs4_dentry_ino(dentry);
+ if (ino) {
+ spin_lock(&sbi->lookup_lock);
+ if (!ino->active_count) {
+ if (list_empty(&ino->active))
+ list_add(&ino->active, &sbi->active_list);
+ }
+ ino->active_count++;
+ spin_unlock(&sbi->lookup_lock);
+ }
+ return;
+}
+
+static void autofs4_del_active(struct dentry *dentry)
+{
+ struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
+ struct autofs_info *ino = autofs4_dentry_ino(dentry);
+ if (ino) {
+ spin_lock(&sbi->lookup_lock);
+ ino->active_count--;
+ if (!ino->active_count) {
+ if (!list_empty(&ino->active))
+ list_del_init(&ino->active);
+ }
+ spin_unlock(&sbi->lookup_lock);
+ }
+ return;
+}
+
+static unsigned int autofs4_need_mount(unsigned int flags)
+{
+ unsigned int res = 0;
+ if (flags & (TRIGGER_FLAGS | TRIGGER_INTENTS))
+ res = 1;
+ return res;
+}
+
static int autofs4_dir_open(struct inode *inode, struct file *file)
{
struct dentry *dentry = file->f_path.dentry;
@@ -93,7 +133,7 @@ static int autofs4_dir_open(struct inode *inode, struct file *file)
* it.
*/
spin_lock(&dcache_lock);
- if (!d_mountpoint(dentry) && __simple_empty(dentry)) {
+ if (!d_mountpoint(dentry) && list_empty(&dentry->d_subdirs)) {
spin_unlock(&dcache_lock);
return -ENOENT;
}
@@ -126,32 +166,32 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags)
/* Turn this into a real negative dentry? */
if (status == -ENOENT) {
- spin_lock(&dentry->d_lock);
- dentry->d_flags &= ~DCACHE_AUTOFS_PENDING;
- spin_unlock(&dentry->d_lock);
+ spin_lock(&sbi->fs_lock);
+ ino->flags &= ~AUTOFS_INF_PENDING;
+ spin_unlock(&sbi->fs_lock);
return status;
} else if (status) {
/* Return a negative dentry, but leave it "pending" */
return status;
}
/* Trigger mount for path component or follow link */
- } else if (dentry->d_flags & DCACHE_AUTOFS_PENDING ||
- flags & (TRIGGER_FLAGS | TRIGGER_INTENTS) ||
+ } else if (ino->flags & AUTOFS_INF_PENDING ||
+ autofs4_need_mount(flags) ||
current->link_count) {
DPRINTK("waiting for mount name=%.*s",
dentry->d_name.len, dentry->d_name.name);
- spin_lock(&dentry->d_lock);
- dentry->d_flags |= DCACHE_AUTOFS_PENDING;
- spin_unlock(&dentry->d_lock);
+ spin_lock(&sbi->fs_lock);
+ ino->flags |= AUTOFS_INF_PENDING;
+ spin_unlock(&sbi->fs_lock);
status = autofs4_wait(sbi, dentry, NFY_MOUNT);
DPRINTK("mount done status=%d", status);
if (status) {
- spin_lock(&dentry->d_lock);
- dentry->d_flags &= ~DCACHE_AUTOFS_PENDING;
- spin_unlock(&dentry->d_lock);
+ spin_lock(&sbi->fs_lock);
+ ino->flags &= ~AUTOFS_INF_PENDING;
+ spin_unlock(&sbi->fs_lock);
return status;
}
}
@@ -160,9 +200,9 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags)
if (ino)
ino->last_used = jiffies;
- spin_lock(&dentry->d_lock);
- dentry->d_flags &= ~DCACHE_AUTOFS_PENDING;
- spin_unlock(&dentry->d_lock);
+ spin_lock(&sbi->fs_lock);
+ ino->flags &= ~AUTOFS_INF_PENDING;
+ spin_unlock(&sbi->fs_lock);
return 0;
}
@@ -202,19 +242,24 @@ static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd)
autofs4_expire_wait(dentry);
/* We trigger a mount for almost all flags */
- lookup_type = nd->flags & (TRIGGER_FLAGS | TRIGGER_INTENTS);
- if (!(lookup_type || dentry->d_flags & DCACHE_AUTOFS_PENDING))
+ lookup_type = autofs4_need_mount(nd->flags);
+ spin_lock(&sbi->fs_lock);
+ spin_lock(&dcache_lock);
+ if (!(lookup_type || ino->flags & AUTOFS_INF_PENDING)) {
+ spin_unlock(&dcache_lock);
+ spin_unlock(&sbi->fs_lock);
goto follow;
+ }
/*
* If the dentry contains directories then it is an autofs
* multi-mount with no root mount offset. So don't try to
* mount it again.
*/
- spin_lock(&dcache_lock);
- if (dentry->d_flags & DCACHE_AUTOFS_PENDING ||
- (!d_mountpoint(dentry) && __simple_empty(dentry))) {
+ if (ino->flags & AUTOFS_INF_PENDING ||
+ (!d_mountpoint(dentry) && list_empty(&dentry->d_subdirs))) {
spin_unlock(&dcache_lock);
+ spin_unlock(&sbi->fs_lock);
status = try_to_fill_dentry(dentry, 0);
if (status)
@@ -223,6 +268,7 @@ static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd)
goto follow;
}
spin_unlock(&dcache_lock);
+ spin_unlock(&sbi->fs_lock);
follow:
/*
* If there is no root mount it must be an autofs
@@ -294,8 +340,7 @@ static int autofs4_revalidate(struct dentry *dentry, struct nameidata *nd)
/* Check for a non-mountpoint directory with no contents */
spin_lock(&dcache_lock);
if (S_ISDIR(dentry->d_inode->i_mode) &&
- !d_mountpoint(dentry) &&
- __simple_empty(dentry)) {
+ !d_mountpoint(dentry) && list_empty(&dentry->d_subdirs)) {
DPRINTK("dentry=%p %.*s, emptydir",
dentry, dentry->d_name.len, dentry->d_name.name);
spin_unlock(&dcache_lock);
@@ -359,8 +404,11 @@ static const struct dentry_operations autofs4_dentry_operations = {
.d_release = autofs4_dentry_release,
};
-static struct dentry *autofs4_lookup_active(struct autofs_sb_info *sbi, struct dentry *parent, struct qstr *name)
+static struct dentry *autofs4_lookup_active(struct dentry *dentry)
{
+ struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
+ struct dentry *parent = dentry->d_parent;
+ struct qstr *name = &dentry->d_name;
unsigned int len = name->len;
unsigned int hash = name->hash;
const unsigned char *str = name->name;
@@ -371,23 +419,23 @@ static struct dentry *autofs4_lookup_active(struct autofs_sb_info *sbi, struct d
head = &sbi->active_list;
list_for_each(p, head) {
struct autofs_info *ino;
- struct dentry *dentry;
+ struct dentry *active;
struct qstr *qstr;
ino = list_entry(p, struct autofs_info, active);
- dentry = ino->dentry;
+ active = ino->dentry;
- spin_lock(&dentry->d_lock);
+ spin_lock(&active->d_lock);
/* Already gone? */
- if (atomic_read(&dentry->d_count) == 0)
+ if (atomic_read(&active->d_count) == 0)
goto next;
- qstr = &dentry->d_name;
+ qstr = &active->d_name;
- if (dentry->d_name.hash != hash)
+ if (active->d_name.hash != hash)
goto next;
- if (dentry->d_parent != parent)
+ if (active->d_parent != parent)
goto next;
if (qstr->len != len)
@@ -395,15 +443,15 @@ static struct dentry *autofs4_lookup_active(struct autofs_sb_info *sbi, struct d
if (memcmp(qstr->name, str, len))
goto next;
- if (d_unhashed(dentry)) {
- dget(dentry);
- spin_unlock(&dentry->d_lock);
+ if (d_unhashed(active)) {
+ dget(active);
+ spin_unlock(&active->d_lock);
spin_unlock(&sbi->lookup_lock);
spin_unlock(&dcache_lock);
- return dentry;
+ return active;
}
next:
- spin_unlock(&dentry->d_lock);
+ spin_unlock(&active->d_lock);
}
spin_unlock(&sbi->lookup_lock);
spin_unlock(&dcache_lock);
@@ -411,8 +459,11 @@ next:
return NULL;
}
-static struct dentry *autofs4_lookup_expiring(struct autofs_sb_info *sbi, struct dentry *parent, struct qstr *name)
+static struct dentry *autofs4_lookup_expiring(struct dentry *dentry)
{
+ struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
+ struct dentry *parent = dentry->d_parent;
+ struct qstr *name = &dentry->d_name;
unsigned int len = name->len;
unsigned int hash = name->hash;
const unsigned char *str = name->name;
@@ -423,23 +474,23 @@ static struct dentry *autofs4_lookup_expiring(struct autofs_sb_info *sbi, struct
head = &sbi->expiring_list;
list_for_each(p, head) {
struct autofs_info *ino;
- struct dentry *dentry;
+ struct dentry *expiring;
struct qstr *qstr;
ino = list_entry(p, struct autofs_info, expiring);
- dentry = ino->dentry;
+ expiring = ino->dentry;
- spin_lock(&dentry->d_lock);
+ spin_lock(&expiring->d_lock);
/* Bad luck, we've already been dentry_iput */
- if (!dentry->d_inode)
+ if (!expiring->d_inode)
goto next;
- qstr = &dentry->d_name;
+ qstr = &expiring->d_name;
- if (dentry->d_name.hash != hash)
+ if (expiring->d_name.hash != hash)
goto next;
- if (dentry->d_parent != parent)
+ if (expiring->d_parent != parent)
goto next;
if (qstr->len != len)
@@ -447,15 +498,15 @@ static struct dentry *autofs4_lookup_expiring(struct autofs_sb_info *sbi, struct
if (memcmp(qstr->name, str, len))
goto next;
- if (d_unhashed(dentry)) {
- dget(dentry);
- spin_unlock(&dentry->d_lock);
+ if (d_unhashed(expiring)) {
+ dget(expiring);
+ spin_unlock(&expiring->d_lock);
spin_unlock(&sbi->lookup_lock);
spin_unlock(&dcache_lock);
- return dentry;
+ return expiring;
}
next:
- spin_unlock(&dentry->d_lock);
+ spin_unlock(&expiring->d_lock);
}
spin_unlock(&sbi->lookup_lock);
spin_unlock(&dcache_lock);
@@ -468,7 +519,7 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
{
struct autofs_sb_info *sbi;
struct autofs_info *ino;
- struct dentry *expiring, *unhashed;
+ struct dentry *expiring, *active;
int oz_mode;
DPRINTK("name = %.*s",
@@ -484,10 +535,11 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
DPRINTK("pid = %u, pgrp = %u, catatonic = %d, oz_mode = %d",
current->pid, task_pgrp_nr(current), sbi->catatonic, oz_mode);
- unhashed = autofs4_lookup_active(sbi, dentry->d_parent, &dentry->d_name);
- if (unhashed)
- dentry = unhashed;
- else {
+ active = autofs4_lookup_active(dentry);
+ if (active) {
+ dentry = active;
+ ino = autofs4_dentry_ino(dentry);
+ } else {
/*
* Mark the dentry incomplete but don't hash it. We do this
* to serialize our inode creation operations (symlink and
@@ -513,36 +565,28 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
dentry->d_fsdata = ino;
ino->dentry = dentry;
- spin_lock(&sbi->lookup_lock);
- list_add(&ino->active, &sbi->active_list);
- spin_unlock(&sbi->lookup_lock);
+ autofs4_add_active(dentry);
d_instantiate(dentry, NULL);
}
if (!oz_mode) {
mutex_unlock(&dir->i_mutex);
- expiring = autofs4_lookup_expiring(sbi,
- dentry->d_parent,
- &dentry->d_name);
+ expiring = autofs4_lookup_expiring(dentry);
if (expiring) {
/*
* If we are racing with expire the request might not
* be quite complete but the directory has been removed
* so it must have been successful, so just wait for it.
*/
- ino = autofs4_dentry_ino(expiring);
autofs4_expire_wait(expiring);
- spin_lock(&sbi->lookup_lock);
- if (!list_empty(&ino->expiring))
- list_del_init(&ino->expiring);
- spin_unlock(&sbi->lookup_lock);
+ autofs4_del_expiring(expiring);
dput(expiring);
}
- spin_lock(&dentry->d_lock);
- dentry->d_flags |= DCACHE_AUTOFS_PENDING;
- spin_unlock(&dentry->d_lock);
+ spin_lock(&sbi->fs_lock);
+ ino->flags |= AUTOFS_INF_PENDING;
+ spin_unlock(&sbi->fs_lock);
if (dentry->d_op && dentry->d_op->d_revalidate)
(dentry->d_op->d_revalidate)(dentry, nd);
mutex_lock(&dir->i_mutex);
@@ -552,22 +596,22 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
* If we are still pending, check if we had to handle
* a signal. If so we can force a restart..
*/
- if (dentry->d_flags & DCACHE_AUTOFS_PENDING) {
+ if (ino->flags & AUTOFS_INF_PENDING) {
/* See if we were interrupted */
if (signal_pending(current)) {
sigset_t *sigset = &current->pending.signal;
if (sigismember (sigset, SIGKILL) ||
sigismember (sigset, SIGQUIT) ||
sigismember (sigset, SIGINT)) {
- if (unhashed)
- dput(unhashed);
+ if (active)
+ dput(active);
return ERR_PTR(-ERESTARTNOINTR);
}
}
if (!oz_mode) {
- spin_lock(&dentry->d_lock);
- dentry->d_flags &= ~DCACHE_AUTOFS_PENDING;
- spin_unlock(&dentry->d_lock);
+ spin_lock(&sbi->fs_lock);
+ ino->flags &= ~AUTOFS_INF_PENDING;
+ spin_unlock(&sbi->fs_lock);
}
}
@@ -592,14 +636,14 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
else
dentry = ERR_PTR(-ENOENT);
- if (unhashed)
- dput(unhashed);
+ if (active)
+ dput(active);
return dentry;
}
- if (unhashed)
- return unhashed;
+ if (active)
+ return active;
return NULL;
}
@@ -624,10 +668,7 @@ static int autofs4_dir_symlink(struct inode *dir,
if (!ino)
return -ENOMEM;
- spin_lock(&sbi->lookup_lock);
- if (!list_empty(&ino->active))
- list_del_init(&ino->active);
- spin_unlock(&sbi->lookup_lock);
+ autofs4_del_active(dentry);
ino->size = strlen(symname);
cp = kmalloc(ino->size + 1, GFP_KERNEL);
@@ -705,10 +746,7 @@ static int autofs4_dir_unlink(struct inode *dir, struct dentry *dentry)
dir->i_mtime = CURRENT_TIME;
spin_lock(&dcache_lock);
- spin_lock(&sbi->lookup_lock);
- if (list_empty(&ino->expiring))
- list_add(&ino->expiring, &sbi->expiring_list);
- spin_unlock(&sbi->lookup_lock);
+ autofs4_add_expiring(dentry);
spin_lock(&dentry->d_lock);
__d_drop(dentry);
spin_unlock(&dentry->d_lock);
@@ -734,10 +772,7 @@ static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
spin_unlock(&dcache_lock);
return -ENOTEMPTY;
}
- spin_lock(&sbi->lookup_lock);
- if (list_empty(&ino->expiring))
- list_add(&ino->expiring, &sbi->expiring_list);
- spin_unlock(&sbi->lookup_lock);
+ autofs4_add_expiring(dentry);
spin_lock(&dentry->d_lock);
__d_drop(dentry);
spin_unlock(&dentry->d_lock);
@@ -775,10 +810,7 @@ static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode)
if (!ino)
return -ENOMEM;
- spin_lock(&sbi->lookup_lock);
- if (!list_empty(&ino->active))
- list_del_init(&ino->active);
- spin_unlock(&sbi->lookup_lock);
+ autofs4_del_active(dentry);
inode = autofs4_get_inode(dir->i_sb, ino);
if (!inode) {